Replacing the chassis fan subassembly

About replacing chassis fan subassemblies

Replacing an R100 chassis fan subassembly consists of the following procedures:

Removing a chassis fan subassembly
Installing a chassis fan subassembly

There are three chassis fan subassemblies on an R100 chassis. Each chassis fan subassembly has two fans. The chassis fans are secured to the front of the chassis.

Note
To maintain UL, CSA, and TUV safety certifications, you must obtain replacement chassis fan subassemblies from Network Appliance. Using unapproved replacement chassis fans voids the safety certifications.

The following is an illustration of the chassis fan assembly.

Location of the chassis fan subassemblies

The chassis fan subassemblies are located behind the front bezel. The following figure shows the chassis fan subassembly locations with the front bezel removed. The sheet metal above the chassis fan subassemblies is silk-screened with the labels Fans 1-2, Fans 3-4, and Fans 5-6.

Removing a chassis fan subassembly

To remove a chassis fan subassembly, complete the following steps.

Note
Because the three chassis fan subassemblies are hot swappable, there is no need to shut down the chassis.

Step	Action
1	From the console, note the identification of the chassis fan subassembly that failed.
2	Pull the bezel straight off the front panel of the chassis by using the grooves on the left and right edges of the bezel.
3	Loosen the thumbscrews on the chassis fan subassembly that failed. Note The thumbscrews are torqued at the factory. You need to use a #2 Phillips screwdriver to loosen the thumbscrews.
4	Using the handle, pull the chassis fan subassembly straight out of the chassis frame. Note The chassis reports a failure for the removed fan assembly.
5	Set the chassis fan subassembly aside.

Installing a chassis fan subassembly

To install a chassis fan subassembly, complete the following steps.

Step	Action
1	Using the handle, slide the chassis fan subassembly straight into the open slot on the chassis.
2	Tighten and then torque the chassis fan thumbscrews 8 to 10 in.-lbs.
3	Align the pins on the bezel with the holes on the front panel of the chassis, and then push the bezel straight onto the front panel.
4	Reconnect and turn on the power to the chassis.
5	Interrupt the boot process by pressing the Delete key during the memory test.
6	Run diagnostics by entering the following command at the `ok>` prompt: sys-diag See the Diagnostics Guide for more information.
7	Run the diagnostics that apply to the unit you installed or replaced.